<teiHeader > contains metadata descriptive of the corpus
as a whole. This is in four main parts:
gives a full bibliographical description of the
document such as its title, author(s), funding
body, distribution arrangements, and the sources
on which it is based.
<encodingDesc>describes the editorial principles and practice
used to generate the corpus.
contains contextual information about the corpus,
such as where and why it was compiled, by whom
and for what purpose, and so on.
logs the history of any revision to the corpus.